{"product_id":"dc-5v-3-7v-tws-stereo-bluetooth-power-amplifier-board-quality-dual-channel-2x10w-audio-sound-module-car-speakers","title":"DC 5V\/3.7V Tws Stereo Bluetooth Power Amplifier Board Quality Dual Channel 2x10W Audio Sound Module Car speakers","description":"\u003ch1\u003eSPECIFICATIONS\u003c\/h1\u003e\u003cp\u003e\u003cspan\u003eApplication\u003c\/span\u003e: \u003cspan style=\"color:#333\"\u003eSpeaker\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan\u003eBluetooth amplifier module\u003c\/span\u003e: \u003cspan style=\"color:#333\"\u003eAudio module\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan\u003eBrand Name\u003c\/span\u003e: \u003cspan style=\"color:#333\"\u003eNONE\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan\u003eChoice\u003c\/span\u003e: \u003cspan style=\"color:#333\"\u003eyes\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan\u003eCondition\u003c\/span\u003e: \u003cspan style=\"color:#333\"\u003eNew\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan\u003eDissipation Power\u003c\/span\u003e: \u003cspan style=\"color:#333\"\u003e\/\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan\u003eHigh-concerned chemical\u003c\/span\u003e: \u003cspan style=\"color:#333\"\u003enone\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan\u003eOperating Temperature\u003c\/span\u003e: \u003cspan style=\"color:#333\"\u003e0-50C\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan\u003eOrigin\u003c\/span\u003e: \u003cspan style=\"color:#333\"\u003eMainland China\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan\u003ePackage\u003c\/span\u003e: \u003cspan style=\"color:#333\"\u003eTQFP\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan\u003eQuantity\u003c\/span\u003e: \u003cspan style=\"color:#333\"\u003e1\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan\u003eSupply Voltage\u003c\/span\u003e: \u003cspan style=\"color:#333\"\u003eDC 7-12V\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan\u003eType\u003c\/span\u003e: \u003cspan style=\"color:#333\"\u003eModule\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan\u003edropshipper\u003c\/span\u003e: \u003cspan style=\"color:#333\"\u003esupport\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan\u003eis_customized\u003c\/span\u003e: \u003cspan style=\"color:#333\"\u003eYes\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan\u003ewholesale\u003c\/span\u003e: \u003cspan style=\"color:#333\"\u003esupport\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan style='color:rgb(254, 146, 0);font-size:20px;font-family:\"times new roman\", times, serif'\u003e\u003cstrong\u003eProduct Features:\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan style='color:rgb(254, 146, 0);font-size:20px;font-family:\"times new roman\", times, serif'\u003e\u003cstrong\u003e1. Supports dual power supply of 3.7V battery and DC5V, flexible adaptation to various scenarios\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan style='color:rgb(254, 146, 0);font-size:20px;font-family:\"times new roman\", times, serif'\u003e\u003cstrong\u003e2. Bluetooth 5.1 wireless connection, stable transmission of stereo audio signals\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan style='color:rgb(254, 146, 0);font-size:20px;font-family:\"times new roman\", times, serif'\u003e\u003cstrong\u003e3. The output power reaches 2 * 10W, and the sound effect is better when paired with a 4 Ω speaker\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan style='color:rgb(254, 146, 0);font-size:20px;font-family:\"times new roman\", times, serif'\u003e\u003cstrong\u003e4. Built in EQ adjustment and DRC compression, supporting computer tuning and saving\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan style='color:rgb(254, 146, 0);font-size:20px;font-family:\"times new roman\", times, serif'\u003e\u003cstrong\u003e5. Integrated charging management and protection functions, safe and reliable against overheating and overcurrent\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cbr\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan style='color:rgb(254, 146, 0);font-size:20px;font-family:\"times new roman\", times, serif'\u003e\u003cstrong\u003eProduct Parameters:\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan style='color:rgb(254, 146, 0);font-size:20px;font-family:\"times new roman\", times, serif'\u003e\u003cstrong\u003eChip type: Stereo\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan style='color:rgb(254, 146, 0);font-size:20px;font-family:\"times new roman\", times, serif'\u003e\u003cstrong\u003eNumber of channels: 2 channels\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan style='color:rgb(254, 146, 0);font-size:20px;font-family:\"times new roman\", times, serif'\u003e\u003cstrong\u003eAudio input: wireless Bluetooth\/wired sound card\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan style='color:rgb(254, 146, 0);font-size:20px;font-family:\"times new roman\", times, serif'\u003e\u003cstrong\u003eCompatible power supply: 3.7V battery\/DC5V (note: voltage should not exceed 5V)\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan style='color:rgb(254, 146, 0);font-size:20px;font-family:\"times new roman\", times, serif'\u003e\u003cstrong\u003eBluetooth version: 5.1\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan style='color:rgb(254, 146, 0);font-size:20px;font-family:\"times new roman\", times, serif'\u003e\u003cstrong\u003eBluetooth Name: LF02\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan style='color:rgb(254, 146, 0);font-size:20px;font-family:\"times new roman\", times, serif'\u003e\u003cstrong\u003eOutput power: 2 * 10W\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan style='color:rgb(254, 146, 0);font-size:20px;font-family:\"times new roman\", times, serif'\u003e\u003cstrong\u003eOutput impedance: 4 Ω\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan style='color:rgb(254, 146, 0);font-size:20px;font-family:\"times new roman\", times, serif'\u003e\u003cstrong\u003eProtection mechanism: over temperature and over current\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan style='color:rgb(254, 146, 0);font-size:20px;font-family:\"times new roman\", times, serif'\u003e\u003cstrong\u003eMotherboard size: 39mm * 46mm\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cbr\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan style='color:rgb(254, 146, 0);font-size:20px;font-family:\"times new roman\", times, serif'\u003e\u003cstrong\u003eProduct List:\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan style='color:rgb(254, 146, 0);font-size:20px;font-family:\"times new roman\", times, serif'\u003e\u003cstrong\u003e1x module\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan style='color:rgb(254, 146, 0);font-size:20px;font-family:\"times new roman\", times, serif'\u003e\u003cstrong\u003e2x speaker cables\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cbr\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan style='color:rgb(254, 146, 0);font-size:20px;font-family:\"times new roman\", times, serif'\u003e\u003cstrong\u003eInstructions:\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan style='color:rgb(254, 146, 0);font-size:20px;font-family:\"times new roman\", times, serif'\u003e\u003cstrong\u003eBe sure to use batteries with a 3.7V overcurrent rating of 5A or higher and a protective board. Otherwise, the maximum volume battery will protect it. The volume cannot exceed 50% when using 5V3A power supply without battery and wired power supply, otherwise it will restart. It is compatible with 4Q speakers (2Q speakers cannot be used)\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan style='color:rgb(254, 146, 0);font-size:20px;font-family:\"times new roman\", times, serif'\u003e\u003cstrong\u003eThe signal-to-noise ratio of the amplifier is 67, which means that when the volume is very low, white noise can be heard at a distance of about ten centimeters from the speaker. Remember not to shoot if you mind.\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan style='color:rgb(254, 146, 0);font-size:20px;font-family:\"times new roman\", times, serif'\u003e\u003cstrong\u003eThe tuning software does not support Win7 and below systems, supports 30 5V RGB expansion, hides volume adjustment pads, can charge batteries, and is powered by a single power battery; Support computer tuning to save EQ, 10 segment EQ gain with DRC dynamic compression.\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cimg src=\"https:\/\/ae-pic-a1.aliexpress-media.com\/kf\/S724cfe2a6b544bdc8f70897d9f3af5508.jpg\" slate-data-type=\"image\"\u003e\u003cimg src=\"https:\/\/ae-pic-a1.aliexpress-media.com\/kf\/Sc81c0c5d8da2477fa18cfa3024cd7d9bp.jpg\" slate-data-type=\"image\"\u003e\u003cimg src=\"https:\/\/ae-pic-a1.aliexpress-media.com\/kf\/Se51fdb032166423eb593077a255d10f0L.jpg\" slate-data-type=\"image\"\u003e\u003cimg src=\"https:\/\/ae-pic-a1.aliexpress-media.com\/kf\/S8d002132742b4d38b59e00f0698e6294z.jpg\" slate-data-type=\"image\"\u003e\u003cimg src=\"https:\/\/ae-pic-a1.aliexpress-media.com\/kf\/S5265c0c7e7b84ef9aed9c3b0665f4ef0F.jpg\" slate-data-type=\"image\"\u003e\u003cimg src=\"https:\/\/ae-pic-a1.aliexpress-media.com\/kf\/S7160cd5d53604746b074d220b8c4ae347.jpg\" slate-data-type=\"image\"\u003e\u003c\/p\u003e","brand":"Yoeruyo","offers":[{"title":"TDA7440","offer_id":55506329993515,"sku":"14:350852#TDA7440","price":69.68,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1000\/5744\/8747\/files\/S9640c86f402442d49474d4b1f31b4b07i.webp?v=1788930046","url":"https:\/\/yoeruyo.com\/products\/dc-5v-3-7v-tws-stereo-bluetooth-power-amplifier-board-quality-dual-channel-2x10w-audio-sound-module-car-speakers","provider":"Yoeruyo","version":"1.0","type":"link"}